WO2018163697A1 - Conveyance device, conveyance method applied therein, distribution device, and sorting device - Google Patents

Conveyance device, conveyance method applied therein, distribution device, and sorting device Download PDF

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Publication number
WO2018163697A1
WO2018163697A1 PCT/JP2018/004222 JP2018004222W WO2018163697A1 WO 2018163697 A1 WO2018163697 A1 WO 2018163697A1 JP 2018004222 W JP2018004222 W JP 2018004222W WO 2018163697 A1 WO2018163697 A1 WO 2018163697A1
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WO
WIPO (PCT)
Prior art keywords
guide member
conveyed
movable roller
movable
transport
Prior art date
Application number
PCT/JP2018/004222
Other languages
French (fr)
Japanese (ja)
Inventor
一仁 吉谷
哲男 尾形
英征 森部
中山　博之
Original Assignee
日本電気株式会社
Ｎｅｃプラットフォームズ株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日本電気株式会社, Ｎｅｃプラットフォームズ株式会社 filed Critical 日本電気株式会社
Priority to EP18764529.6A priority Critical patent/EP3594153A4/en
Publication of WO2018163697A1 publication Critical patent/WO2018163697A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
    • B65H5/068—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between one or more rollers or balls and stationary pressing, supporting or guiding elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/02—Apparatus characterised by the means used for distribution
    • B07C3/08—Apparatus characterised by the means used for distribution using arrangements of conveyors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
    • B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
    • B65G15/14—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts
    • B65G15/16—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts the load being conveyed between the belts between an auxiliary belt and a main belt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
    • B65G15/10—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface
    • B65G15/12—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts
    • B65G15/20—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration comprising two or more co-operating endless surfaces with parallel longitudinal axes, or a multiplicity of parallel elements, e.g. ropes defining an endless surface with two or more endless belts arranged side by side, e.g. for conveyance of flat articles in vertical position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G21/00—Supporting or protective framework or housings for endless load-carriers or traction elements of belt or chain conveyors
    • B65G21/20—Means incorporated in, or attached to, framework or housings for guiding load-carriers, traction elements or loads supported on moving surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G39/00—Rollers, e.g. drive rollers, or arrangements thereof incorporated in roller-ways or other types of mechanical conveyors 
    • B65G39/10—Arrangements of rollers
    • B65G39/12—Arrangements of rollers mounted on framework
    • B65G39/18—Arrangements of rollers mounted on framework for guiding loads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H5/00—Feeding articles separated from piles; Feeding articles to machines
    • B65H5/02—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains
    • B65H5/021—Feeding articles separated from piles; Feeding articles to machines by belts or chains, e.g. between belts or chains by belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/10—Selective handling processes
    • B65H2301/14—Selective handling processes of batches of material of different characteristics
    • B65H2301/142—Selective handling processes of batches of material of different characteristics of different thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/20—Continuous handling processes
    • B65H2301/21—Continuous handling processes of batches of material of different characteristics
    • B65H2301/212—Continuous handling processes of batches of material of different characteristics of different thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/30—Orientation, displacement, position of the handled material
    • B65H2301/32—Orientation of handled material
    • B65H2301/321—Standing on edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2402/00—Constructional details of the handling apparatus
    • B65H2402/60—Coupling, adapter or locking means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/11—Details of cross-section or profile
    • B65H2404/112—Means for varying cross-section
    • B65H2404/1122—Means for varying cross-section for rendering elastically deformable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/152—Arrangement of roller on a movable frame
    • B65H2404/1521—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis
    • B65H2404/15212—Arrangement of roller on a movable frame rotating, pivoting or oscillating around an axis, e.g. parallel to the roller axis rotating, pivoting or oscillating around an axis perpendicular to the roller axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2404/00—Parts for transporting or guiding the handled material
    • B65H2404/10—Rollers
    • B65H2404/15—Roller assembly, particular roller arrangement
    • B65H2404/154—Rollers conveyor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/13—Thickness
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1916—Envelopes and articles of mail

Definitions

  • the present invention relates to a transport device that can transport various objects to be transported including, for example, packages such as sealed letters and parcels, a transport method therefor, a sorting device for transporting and sorting, sorting, and the like. .
  • a conveying device that conveys and sorts a package such as a sealed letter while standing is known.
  • a conveying device that conveys and sorts a package such as a sealed letter while standing.
  • paper sheets such as postcards and sealed letters are fed out one by one in a standing position, and the paper sheets are transported by being sandwiched between a pair of transport belts by a paper sheet transport means.
  • a paper sheet transport means Such an apparatus has been proposed.
  • a load is placed on a supply unit including a bottom belt inclined at 30 ° with respect to a horizontal plane and a side belt installed at right angles to the bottom belt, and is transported to a sorting device or a sorting device.
  • Devices have been proposed for sending.
  • the present invention has been made in view of such a problem, and it can be any of a thick article, a non-uniform article thickness, or a conveyed article such as a paper sheet that is weak and does not stand on its own. It is an object of the present invention to provide a transport device, a transport method thereof, a sorting device, and a sorting device that can be transported reliably.
  • a conveying device that includes a first guide member that abuts on a first surface of the object to be conveyed and guides the object in a predetermined direction, and a first guide member that abuts on the second surface of the object to be conveyed and guides in the predetermined direction.
  • the object to be conveyed is guided between the two guide members and the second guide member in the predetermined direction, and at least deformable or movable in a direction away from the second guide member according to the thickness of the object to be conveyed.
  • a presser roller which is possible.
  • the sorting device is characterized in that a plurality of the above-described transport devices are installed in series, and the downstream transport device is movable in a direction crossing the transport direction of the object to be transported.
  • a sorting apparatus includes an upstream-side transport device that feeds a transported object to the transport device described above, and a sorting device that sorts the transported object sent from the transport device.
  • the transport method of the transport device includes a first guide member that contacts the first surface of the object to be transported and guides in a predetermined direction, and a second surface of the object to be transported that contacts the first surface in the predetermined direction.
  • the second guide member for guiding
  • the second guide member and the presser roller guide the transported object in the predetermined direction, and according to the thickness of the transported object, At least the pressing roller is elastically deformed, or the pressing roller is moved in a direction away from the second guide member, so that the object to be transferred is conveyed.
  • the present invention it is possible to deform or move at least in the direction in which the presser roller advances and retreats with respect to the second guide member according to the thickness of the object to be conveyed. Can be held and transported. In addition, even when the thickness of the object to be conveyed is not uniform or has no waist, the object can be reliably grasped and conveyed by deformation or movement of the presser roller.
  • FIG. It is a principal part perspective view of the conveying apparatus by one Embodiment. It is a principal part top view of the conveying apparatus shown in FIG. It is a top view of the movable roller unit provided in the conveyance device of the embodiment. It is a front view of the movable roller unit of an embodiment. It is a bottom view of the movable roller unit of the embodiment. It is a perspective view of the movable roller unit of an embodiment. It is the side view which looked at the movable roller unit of an embodiment from the A direction of FIG. It is the perspective view which looked at the movable roller unit of an embodiment from the lower part.
  • FIG. 1 is a perspective view of a main part of a transport device 1 according to an embodiment.
  • a transport apparatus 1 shown in FIG. 1 is provided in a mail sorting machine A similar to that shown in Patent Document 2 described above, for example.
  • a mail sorting machine A for example, a one-way feeding unit (not shown) is installed on the upstream side of the transport device 1, and a mail sorting machine (not shown) is installed on the downstream side. Further, on the downstream side, a sorting / stacking unit (not shown) in which a plurality of stacking boxes for storing the sorted mail items is arranged.
  • the transport introduction unit 3 is installed on the upstream side of the gantry 2 extending in the longitudinal direction, and the transport main body unit 4 is installed on the downstream side thereof.
  • the conveyance introduction part 3 and the conveyance main-body part 4 are installed in linear form, for example.
  • the transport introduction section 3 and the transport main body section 4 are provided with a bottom belt 6 on which the luggage n is placed and a side belt 7 that receives a side part of the luggage n, so that the luggage n can be supported and transported.
  • a side wall 8 is installed on the back side of the side belt 7 so as to support a load n that extends above and below the side belt 7 and protrudes from the side belt 7.
  • the bottom belt 6 and the side belt 7 are partitioned into a plurality of blocks having a predetermined length.
  • the package n is only a part, such as a paper sheet such as a thin or thick envelope of A4 size, a parcel having a predetermined thickness, a product sample or a part enclosed in an envelope, etc. It includes a letter with a thickness that bulges in a convex shape.
  • the luggage n includes a paper sheet having no waist.
  • the bottom belt 6 and the side belt 7 are partitioned into a plurality of blocks and extend linearly.
  • the bottom belt 6 and the side belt 7 are partitioned for each block.
  • the bottom belt 6 and the side belt 7 may be composed of a long bottom belt 6 and a side belt 7 that are continuous in the feed direction without being divided into a plurality of blocks.
  • the bottom belt 6 is installed at a predetermined angle, for example, 30 ° with respect to the horizontal plane.
  • the side belt 7 is disposed at a right angle to the bottom belt 6 and is inclined outward with respect to the vertical direction.
  • One end surface of the load n is in contact with the bottom belt 6, and the side surface thereof is supported by the side belt 7.
  • the load n is conveyed at a rotational speed at which the bottom belt 6 and the side belt 7 are synchronized.
  • paper sheets such as a letter with no waist (or weak) can be transported at a short distance such as the transport introduction section 3.
  • the transport main body 4 or the like in front of it is included, the transport becomes long distance, so that transport is difficult. Therefore, in the transport device 1 according to the present embodiment, the movable roller unit 10 is installed at a position facing the side belt 7 of the transport main body 4.
  • FIG. 2 is a plan view of a main part of the transfer apparatus 1 shown in FIG.
  • the movable roller unit 10 has a plurality of movable rollers 11, and the plurality of movable rollers 11 are arranged in the installation direction of the side belt 7.
  • the three movable rollers 11 constitute one set of the movable roller unit 10.
  • two sets of the movable roller unit 10 are installed in series, but the movable roller unit 10 may be one set or three or more sets.
  • Each movable roller 11 is rotatable, and the load n is conveyed by rotating in synchronization with the bottom belt 6 and the side belt 7 with the load n sandwiched between the side belt 7.
  • the number of the movable rollers 11 constituting one set of the movable roller unit 10 is not limited to three. Each movable roller 11 can rotate about its central axis 18 (FIGS. 3 and 4) as will be described later. Further, the movable rollers 11 are arranged in a row in contact with or close to the side belt 7 in a state where the load n is not sandwiched. Each movable roller 11 can be deformed when the load n is sandwiched between the side belt 7 and can retreat (separate) from the side belt 7.
  • the three movable rollers 11 constituting one set of the movable roller unit 10 are installed in two upper and lower stages at a position facing the side belt 7. That is, the three movable rollers 11 are arranged at different heights on the surface of the side belt 7 in a direction perpendicular to the surface of the side belt 7. According to the example of FIG. 2, for example, two movable rollers 11 are installed at a predetermined interval along the side belt 7 in the upper stage, and the movable roller 11 is installed in the lower stage in the middle. In addition, as shown in FIG. 2, the three movable rollers 11 are arranged so as to partially overlap each other in plan view.
  • a plurality of the movable rollers 11 are installed on the top and bottom, and are shifted in the transport direction (predetermined direction) so as to partially overlap each other.
  • a part of the plurality of movable rollers 11 has a height different from that of the other movable rollers 11 so that a part of the plurality of movable rollers 11 arranged along the side belt 7 overlaps.
  • the movable roller 11 on the upper stage prevents the load n with no waist from collapsing and falling, and can be reliably conveyed in a standing position.
  • the lower movable roller 11 between the two upper movable rollers 11, it is possible to hold the small load n when it is conveyed and positioned between the two upper movable rollers 11.
  • each movable roller 11 is arranged so as to continuously hold and convey the load n by the movable roller 11.
  • the movable roller unit 10 shown in FIGS. 1 and 2 for example, two movable rollers 11 are arranged on the upper stage, and one movable roller 11 is arranged on the lower stage therebetween. For this reason, a gap is formed between the upper movable rollers 11 at the connecting portion of the two movable roller units 10. Even in this case, the load n can be conveyed from the upstream movable roller unit 10 to the downstream movable roller unit 10 by the momentum of conveyance.
  • two movable rollers 11 may be arranged on the lower stage on both sides in the conveyance direction of the luggage n, and one movable roller 11 may be installed on the upper stage therebetween.
  • Each of the movable rollers 11 is disposed so as to partially overlap each other in plan view. If such a configuration is adopted, the gap between the movable rollers 11 can be further reduced between the two sets of adjacent movable roller units 10. Thereby, the area
  • the paper letter seal is large, such as A4.
  • the upper and lower two-stage arrangement of the movable rollers 11 includes two movable rollers 11 on the upper stage and one movable roller 11 on the lower stage. When there are many small paper sheets or the like, two movable rollers 11 may be arranged on the lower stage, and one movable roller 11 may be arranged on the upper stage between them.
  • FIGS. 3 to 6 are a plan view, a front view, a bottom view, and a perspective view of the movable roller unit 10, respectively.
  • 7 is a side view of the movable roller unit 10 as viewed from the direction A in FIG. 6, and
  • FIG. 8 is a perspective view of the movable roller unit 10 as viewed from below.
  • the movable roller unit 10 is provided with a substrate 13 extending along the feeding direction of the side belt 7.
  • a rotation shaft 14 is rotatably supported by the movable roller 11 on the substrate 13.
  • the rotation shaft 14 is inserted into a support cylinder 15 fitted to the substrate 13 and is rotatably supported.
  • a rotatable arm portion 16 is connected to the upper portion of the rotation shaft 14.
  • a central shaft 18 is rotatably supported on the other end of the arm portion 16, and the movable roller 11 is connected to the central shaft 18 so as to be integrally rotatable.
  • a spring member (not shown) is mounted on the arm portion 16 and the rotating shaft 14, and each movable roller 11 is urged in a direction in which the movable roller 11 comes into contact with the side belt 7.
  • a rotary shaft portion 19 is rotatably inserted into the rotation shaft 14 and the upper and lower end portions are protruded.
  • a first rotation transmission belt 20 is mounted between the first pulley 19 a fixed to the upper end portion protruding from the rotation shaft 14 of the rotation shaft portion 19 and the center shaft 18. The above-described configuration is installed for each movable roller 11.
  • a drive mechanism 22 for the movable roller 11 is installed on the back side of the substrate 13.
  • a drive motor M is installed in the vicinity of the substrate 13 as a drive device.
  • the lower end portion of the rotating shaft portion 19 protrudes from the back surface of the substrate 13 through the three rotating shafts 14, and a second pulley 19 b fixed to the lower end portion is arranged with an enlarged diameter.
  • An endless second rotation transmission belt 23 is wound around the output shaft of the drive motor M and the second pulley 19 b of the three rotation shaft portions 19 via a transmission roller 24 supported on the substrate 13. .
  • the rotation of the drive motor M is transmitted from the second rotation transmission belt 23 to the rotary shaft portion 19 via each second pulley 19b.
  • the rotational force is transmitted from the first pulley 19 a at the upper end to the central shaft 18 via the first rotation transmission belt 20, and the movable rollers 11 are rotated about the central shaft 18.
  • Each of the movable rollers 11 and the central shaft 18 can be turned around the rotation shaft 14 via the arm portion 16, and is urged against the side belt 7 by a spring member of the arm portion 16. That is, the movable roller 11 is rotatably supported by the rotation shaft 14 via the arm portion 16 and is movable in a direction intersecting with the conveyance direction (predetermined direction) of the luggage n.
  • the movable roller 11 fixed to the upper end portion of each central shaft 18 has a substantially disk shape formed of a soft deformable elastic member such as sponge or rubber, and can rotate around the central shaft 18.
  • the movable roller 11 is provided with an elastic member on the outer peripheral surface.
  • the movable roller 11 is formed with substantially arc-shaped notches at predetermined intervals in the circumferential direction around the central axis 18. Thereby, it has the circular outer peripheral surface 26a and the arc-shaped spoke part 26b which connects the holding
  • the spoke portion 26b is formed to be curved backward in the rotational direction from the central axis 18 toward the outer peripheral surface 26a.
  • the spoke part 26b extends from the center side toward the outer peripheral surface.
  • the movable roller 11 is made of a sponge having an elastic deformation force and has a notch, and the biasing force of the spring member is small. For this reason, the pressing pressure of the load n by the movable roller 11 is set small. Therefore, no damage is caused to the load n sandwiched between the side belt 7 and the movable roller 11.
  • a plurality of the movable rollers 11 are installed in the vertical direction, and can be at least deformed or moved individually with respect to the side belt 7.
  • the movable roller 11 is rotatably supported by a rotation shaft via the arm portion 16 and can move in a direction away from the side belt 7.
  • the movable roller 11 preferably has an outer diameter that is several times greater than the thickness of the load n with the side belt 7.
  • the outer diameter of the movable roller 11 is about the same as or twice the width of the load n, the entrance angle of the movable roller 11 with respect to the side belt 7 is large. For this reason, the impact when the load n collides is so great that the transport speed is lowered, and the load n cannot be sandwiched between the side belt 7 well.
  • the outer diameter of the movable roller 11 is 3 to 4 times larger than the load n, the entrance angle of the movable roller 11 with respect to the side belt 7 becomes small. For this reason, the load n gradually spreads while deforming the movable roller 11 and enters between the side belt 7. Thereby, the impact by the collision of the luggage
  • FIG. 9A to FIG. 9C are main part plan views showing the flow of the load n transfer process in the transfer apparatus 1 of the present embodiment.
  • FIG. 9A is a diagram illustrating a state before the load n is supplied to the movable roller unit 10. Paper sheets such as sealed letters and parcels n such as parcels adsorbed by a single feeding unit (not shown) are sent to the conveyance introducing unit 3 of the conveyance device 1. 9A, the load n moves on the bottom belt 6 while being supported by the side belt 7 at the same speed as the bottom belt 6 and the side belt 7. The conveyance introduction part 3 is a short distance. For this reason, even if the baggage n is a paper sheet with no waist, it is conveyed by the bottom belt 6 and the side belt 7 without falling down and sent out to the conveyance main body 4.
  • FIG. 9B is a diagram illustrating a state in which the luggage n starts to be supplied to the movable roller.
  • the movable roller 11 is rotated about the rotation shaft 14 against the urging force of the spring member provided on the arm portion 16 and is rotated in a direction away from the side belt 7.
  • the movable roller 11 is pushed in a state where the outer peripheral surface 26a and the spoke portion 26b are elastically deformed according to the thickness of the load n, and maintains a state in which the movable roller 11 is in contact with the load n by the elastic return force of the spring member provided on the arm portion 16. It rotates while carrying the load n forward.
  • FIG. 9C is a diagram illustrating a state in which the luggage n is being conveyed by the side belt 7 and the movable roller 11. As shown in FIG. 9C, the outer peripheral surface 26 a and the spoke portion 26 b of the movable rollers 11 are elastically deformed one after another as the load n is conveyed, and rotate around the rotation shaft 14.
  • the movable roller 11 After passing the load n, the movable roller 11 returns to its original shape and is brought into contact with the side belt 7 by the urging force of the spring member of the arm portion 16. In addition, when the thickness of the load n is small, the movable roller 11 can cope only with elastic deformation of the outer peripheral surface 26a and the spoke portion 26b of the sponge. Further, the movable roller 11 pushed by the load n can be retracted in the direction of escaping around the rotation shaft 14 without elastically deforming the outer peripheral surface 26a and the spoke portion 26b. As described above, the movable roller 11 may only be elastically deformed by the outer peripheral surface 26a and the spoke portion 26b, or may only move in a direction away from the side belt 7.
  • the upper part of the baggage n is pressed by the side belt 7 by the upper movable roller 11 and moved forward. Then, the lower part is pressed by the movable roller 11 provided in the lower stage.
  • the load n moves to the lower movable roller 11 even if the upper portion of the lower load n is about to fall down, the load n is pressed by the next upper movable roller 11 before falling down. For this reason, the fall of the luggage n can be prevented.
  • the load n is delivered from the front movable roller unit 10 to the rear movable roller unit 10.
  • the load n is transported at a synchronized moving speed. For this reason, before the load n falls down, the upper part of the load n can be pressed by the upper movable roller 11 of the next movable roller unit 10. Thereby, delivery can be completed and the fall of the load n can be prevented.
  • the package n is a sealed letter or the like containing a product sample or the like only in part.
  • the sealed portion at the top of the load n is pressed against the side belt 7 by the upper movable roller 11 and conveyed.
  • the lower convex portion of the load n is pressed by the elastically deformed outer peripheral surface 26a and the spoke portion 26b by pushing the lower movable roller 11 and retracting it around the rotation shaft 14. Then, the luggage n is delivered to the next upper movable roller 11.
  • the lower movable roller 11 After the load n passes, the lower movable roller 11 returns to the position where it abuts against the side belt 7 by the biasing force of the spring member, and the outer peripheral surface 26a and the spoke portion 26b also elastically return to their original shapes. Therefore, even if it is a load n such as a paper sheet or a parcel with no waist, even if it is a non-uniform thickness n that bulges so as to form a convex part, a plurality of movable rollers are sequentially arranged according to the shape. 11 can be reliably conveyed by being pressed.
  • the transport device 1 As described above, according to the transport device 1 according to the present embodiment, even a baggage n having no waist or a baggage n with a non-uniform thickness can be moved forward and backward with a soft material such as a sponge and a low presser pressure.
  • the movable roller 11 can reliably convey the baggage n in a standing position without damaging it.
  • the conveyance device 1 showing the minimum configuration of one embodiment is the one disclosed in FIG.
  • the transport device 1 according to the embodiment is in contact with the first guide member including the bottom belt 6 that abuts the first surface of the cargo n that is the object to be transported and guides it in a predetermined direction, and the second surface of the cargo n.
  • a second guide member including a side belt 7 that contacts and guides in a predetermined direction For example, the bottom belt 6 contacts the bottom surface of the luggage n, and the side belt 7 contacts the side surface of the luggage n.
  • the conveying device 1 guides in a predetermined direction with the load n sandwiched between the side belt 7 and at least can be deformed or moved in a direction away from the side belt 7 depending on the thickness of the load n.
  • the presser roller including the movable roller 11 which is possible is provided as a minimum configuration.
  • the movable roller unit 10 is not provided on the upstream side of the conveyance main body 4 in which the movable roller unit 10 including the movable roller 11 is provided on the bottom belt 6 and the side belt 7 as the conveyance device 1.
  • the configuration provided with the transport introduction unit 3 has been described. However, the conveyance introduction part 3 does not need to be installed.
  • At least the conveying device 1 is provided with a conveying main body 4 in which one or a plurality of movable rollers 11 are arranged along the side belt 7 at a position facing the side belt 7 in addition to the bottom belt 6 and the side belt 7. That's fine.
  • an arbitrary plurality of sets of movable roller units 10 may be arranged to face the side belt 7.
  • the first conveying member and the second conveying member are not limited to the endless circular belt shown in the embodiment, but may be a plurality of rotating rollers and bar members arranged in the conveying direction, or a plate member that can move back and forth. Good.
  • the entire movable roller 11 is formed of an elastic member such as sponge or rubber, but the movable roller 11 is not limited to such a configuration.
  • the outer peripheral surface 26a that contacts at least the load n of the movable roller 11 is formed of an elastic member that can be elastically deformed.
  • the movable roller 11 does not necessarily need to be rotated by the drive motor M, and may be pressed against the load n so as to be rotatable.
  • a plurality of transport main body portions 4 of the transport device 1 according to the above-described embodiment are installed in series, and the downstream transport main body portion 4 is movable in a direction crossing the transport direction of the luggage n.
  • a sorting device is provided that sorts the transported luggage n into any of a plurality of stacking boxes of the sorting stacking unit.
  • a sorting apparatus is proposed as another embodiment.
  • the sorting device includes an upstream transport device that is a one-way feeding unit that feeds the package n one by one to the transport main body 4 of the transport device 1 according to the above-described embodiment, and the package n that is sent from the upstream transport device to the transport device 1.
  • a sorting device serving as a sorting and stacking unit including a plurality of stacking boxes that are transported and sorted downstream.
  • a part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.
  • Appendix 1 A first guide member that contacts the first surface of the object to be conveyed and guides it in a predetermined direction;
  • a second guide member that contacts the second surface of the object to be conveyed and guides it in the predetermined direction;
  • the object to be conveyed is guided in the predetermined direction with the object to be conveyed between the second guide member and at least deformable or movable in a direction away from the second guide member according to the thickness of the object to be conveyed.
  • a presser roller, A conveying apparatus comprising:
  • Appendix 4 The conveying device according to appendix 3, wherein the pressing roller has a spoke portion extending from a center side toward the outer peripheral surface.
  • Appendix 6 The conveying device according to any one of appendices 1 to 5, wherein a plurality of the pressing rollers are installed vertically and are shifted in the predetermined direction so as to partially overlap each other.
  • Appendix 10 A plurality of transfer apparatuses described in any one of appendices 1 to 9 are installed in series, and the downstream transfer apparatus is movable in a direction intersecting the transfer direction of the object to be transferred. Sorting device.
  • a sorting apparatus comprising: a sorting device that sorts an object to be transported sent from the transport device.
  • a transport apparatus comprising: a first guide member that contacts a first surface of the object to be conveyed and guides in a predetermined direction; and a second guide member that contacts the second surface of the object to be transported and guides in the predetermined direction.
  • the second guide member and a pressing roller guide the object to be conveyed in the predetermined direction, and at least the pressing roller is elastically deformed according to the thickness of the object to be conveyed, or the pressing roller is A transport method for a transport apparatus, wherein the transport object is transported by moving in a direction away from the second guide member.
  • the present invention it is possible to deform or move at least in the direction in which the presser roller advances and retreats with respect to the second guide member according to the thickness of the object to be conveyed. Can be held and transported. In addition, even when the thickness of the object to be conveyed is not uniform or has no waist, the object can be reliably grasped and conveyed by deformation or movement of the presser roller.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Sorting Of Articles (AREA)
  • Framework For Endless Conveyors (AREA)
  • Rollers For Roller Conveyors For Transfer (AREA)
  • Structure Of Belt Conveyors (AREA)

Abstract

This conveyance device is characterized by being provided with: a first guide member that abuts against a first surface of an article to be conveyed and guides the article in a prescribed direction; a second guide member that abuts against a second surface of the article to be conveyed and guides the article in the prescribed direction; and a pressing roller that guides the article in the prescribed direction while holding same with the second guide member, and that is at least deformable or movable in a direction away from the second guide member in accordance with the thickness of the article.

Description

搬送装置及びその搬送方法、振り分け装置、仕分け装置Conveying device and conveying method thereof, sorting device, sorting device
　本発明は、例えば封書や小包等の荷物を含む各種の被搬送物を搬送することができる搬送装置及びその搬送方法や、更に搬送して仕分けや振り分け等をするための振り分け装置、仕分け装置に関する。 The present invention relates to a transport device that can transport various objects to be transported including, for example, packages such as sealed letters and parcels, a transport method therefor, a sorting device for transporting and sorting, sorting, and the like. .
　一般に、封書等の荷物を立位状態で搬送して仕分けしたり振り分けしたりする搬送装置が知られている。例えば、特許文献１に記載の搬送装置では、郵便はがきや封書等の紙葉類を立位で１枚ずつ繰り出して、紙葉類搬送手段で紙葉類を一対の搬送ベルトで挟んで搬送するようにした装置が提案されている。 Generally, a conveying device that conveys and sorts a package such as a sealed letter while standing is known. For example, in the transport apparatus described in Patent Document 1, paper sheets such as postcards and sealed letters are fed out one by one in a standing position, and the paper sheets are transported by being sandwiched between a pair of transport belts by a paper sheet transport means. Such an apparatus has been proposed.
　特許文献２に記載の搬送装置では、水平面に対して例えば３０°傾斜させた底面ベルトと底面ベルトに直角に設置した側面ベルトからなる供給部に荷物を載せて搬送し、仕分け装置や振り分け装置に送るようにした装置が提案されている。 In the transport apparatus described in Patent Document 2, a load is placed on a supply unit including a bottom belt inclined at 30 ° with respect to a horizontal plane and a side belt installed at right angles to the bottom belt, and is transported to a sorting device or a sorting device. Devices have been proposed for sending.
特開２００１－９１９号公報JP 2001-919 A 特開２００２－２１９４１９号公報JP 2002-219419 A
　しかしながら、特許文献１に記載されたベルトで紙葉類を挟む搬送装置では、封書等の薄物の荷物は搬送できるが、封筒の中の一部に商品サンプル等を封入した場合には搬送ベルトの一部でしか商品を保持できず搬送が困難であった。また、搬送ベルトのテンションが高い場合に内容物を破損する恐れがあった。
　特許文献２に記載された底部ベルト及び側面ベルトでは、荷物を立位状態で支持して搬送する場合、薄い封書や腰が弱い荷物は腰砕けになってずれたり倒れたりしてしまい、搬送できないことがあるという問題があった。 However, in the transport device that sandwiches paper sheets with a belt described in Patent Document 1, a thin article such as a sealed letter can be transported. However, when a product sample or the like is enclosed in a part of an envelope, the transport belt Only a part of the products could be held, making it difficult to transport. In addition, the contents may be damaged when the tension of the conveyor belt is high.
With the bottom belt and side belt described in Patent Document 2, when carrying a baggage in a standing position, a thin envelope or a bag with a weak waist will be crumbled and displaced or fall down and cannot be carried. There was a problem that there was.
　本発明は、このような課題に鑑みてなされたものであり、厚物の荷物や厚さの不均一な荷物、或いは腰が弱く自立しない紙葉類等の被搬送物のいずれであっても確実に搬送できるようにした搬送装置及びその搬送方法、振り分け装置、仕分け装置を提供することを目的とする。 The present invention has been made in view of such a problem, and it can be any of a thick article, a non-uniform article thickness, or a conveyed article such as a paper sheet that is weak and does not stand on its own. It is an object of the present invention to provide a transport device, a transport method thereof, a sorting device, and a sorting device that can be transported reliably.
　本発明による一態様の搬送装置は、被搬送物の第一面に当接して所定方向に案内する第一案内部材と、被搬送物の第二面に当接して前記所定方向に案内する第二案内部材と、第二案内部材との間に被搬送物を挟んで前記所定方向に案内すると共に、被搬送物の厚さに応じて第二案内部材から離れる方向に、少なくとも変形可能または移動可能である押えローラと、を備えたことを特徴とする。 According to another aspect of the present invention, there is provided a conveying device that includes a first guide member that abuts on a first surface of the object to be conveyed and guides the object in a predetermined direction, and a first guide member that abuts on the second surface of the object to be conveyed and guides in the predetermined direction. The object to be conveyed is guided between the two guide members and the second guide member in the predetermined direction, and at least deformable or movable in a direction away from the second guide member according to the thickness of the object to be conveyed. And a presser roller which is possible.
　本発明による一態様の振り分け装置は、上述した搬送装置が直列に複数設置され、下流側の搬送装置は被搬送物の搬送方向に交差する方向に移動可能とされたことを特徴とする。 The sorting device according to one aspect of the present invention is characterized in that a plurality of the above-described transport devices are installed in series, and the downstream transport device is movable in a direction crossing the transport direction of the object to be transported.
　本発明による一態様の仕分け装置は、上述した搬送装置へ被搬送物を送り込む上流側搬送装置と、搬送装置から送り出された被搬送物を振り分ける振り分け装置と、を備えたことを特徴とする。 A sorting apparatus according to an aspect of the present invention includes an upstream-side transport device that feeds a transported object to the transport device described above, and a sorting device that sorts the transported object sent from the transport device.
　本発明による一態様の搬送装置の搬送方法は、被搬送物の第一面に当接して所定方向に案内する第一案内部材と、被搬送物の第二面に当接して前記所定方向に案内する第二案内部材とを備えた搬送装置の搬送方法において、第二案内部材と押えローラとによって被搬送物を挟んで前記所定方向に案内すると共に、被搬送物の厚さに応じて、少なくとも押えローラを弾性変形させ、または押えローラを前記第二案内部材から離れる方向に移動させることによって、被搬送物を搬送するようにしたことを特徴とする。 The transport method of the transport device according to one aspect of the present invention includes a first guide member that contacts the first surface of the object to be transported and guides in a predetermined direction, and a second surface of the object to be transported that contacts the first surface in the predetermined direction. In the transport method of the transport device provided with the second guide member for guiding, the second guide member and the presser roller guide the transported object in the predetermined direction, and according to the thickness of the transported object, At least the pressing roller is elastically deformed, or the pressing roller is moved in a direction away from the second guide member, so that the object to be transferred is conveyed.
　本発明によれば、被搬送物の厚さに応じて第二案内部材に対して押えローラが進退する方向に、少なくとも変形可能または移動可能であるため、被搬送物にダメージを与えることなく確実に保持して搬送できる。しかも、被搬送物の厚さが不均一であったり腰がない場合でも押えローラの変形や移動によって確実に把持して搬送できる。 According to the present invention, it is possible to deform or move at least in the direction in which the presser roller advances and retreats with respect to the second guide member according to the thickness of the object to be conveyed. Can be held and transported. In addition, even when the thickness of the object to be conveyed is not uniform or has no waist, the object can be reliably grasped and conveyed by deformation or movement of the presser roller.
一実施形態による搬送装置の要部斜視図である。It is a principal part perspective view of the conveying apparatus by one Embodiment. 図１に示す搬送装置の要部平面図である。It is a principal part top view of the conveying apparatus shown in FIG. 実施形態の搬送装置に設けた可動ローラユニットの平面図である。It is a top view of the movable roller unit provided in the conveyance device of the embodiment. 実施形態の可動ローラユニットの正面図である。It is a front view of the movable roller unit of an embodiment. 実施形態の可動ローラユニットの底面図である。It is a bottom view of the movable roller unit of the embodiment. 実施形態の可動ローラユニットの斜視図である。It is a perspective view of the movable roller unit of an embodiment. 実施形態の可動ローラユニットを図６のＡ方向から見た側面図である。It is the side view which looked at the movable roller unit of an embodiment from the A direction of FIG. 実施形態の可動ローラユニットを下方から見た斜視図である。It is the perspective view which looked at the movable roller unit of an embodiment from the lower part. 実施形態の搬送装置における荷物の搬送工程を示す要部平面図であり、荷物が可動ローラユニットに供給される前の状態を示す図である。It is a principal part top view which shows the conveyance process of the package in the conveying apparatus of embodiment, and is a figure which shows the state before a package is supplied to a movable roller unit. 実施形態の搬送装置における荷物の搬送工程を示す要部平面図であり、荷物が可動ローラに供給され始めた状態を示す図である。It is a principal part top view which shows the conveyance process of the package in the conveying apparatus of embodiment, and is a figure which shows the state from which the package began to be supplied to a movable roller. 実施形態の搬送装置における荷物の搬送工程を示す要部平面図であり、側面ベルトと可動ローラで荷物を搬送している状態を示す図である。It is a principal part top view which shows the conveyance process of the package in the conveying apparatus of embodiment, and is a figure which shows the state which is conveying the package with a side belt and a movable roller. 一実施例による最小構成の搬送装置を示す平面図である。It is a top view which shows the conveying apparatus of the minimum structure by one Example.
　以下、一実施形態による搬送装置１について図面を参照して説明する。
　図１は、一実施形態における搬送装置１を示す図であり、要部斜視図である。図１に示す搬送装置１は、例えば上述した特許文献２に示すものと同様な郵便物区分機Ａに設けられたものである。郵便物区分機Ａは例えば搬送装置１の上流側に図示しない一通送り部が設置され、下流側に図示しない郵便物振り分け機が設置される。更にその下流側には区分された郵便物を収納する複数の集積箱を配列した区分集積部（図示せず）が設置されている。 Hereinafter, a conveying apparatus 1 according to an embodiment will be described with reference to the drawings.
FIG. 1 is a perspective view of a main part of a transport device 1 according to an embodiment. A transport apparatus 1 shown in FIG. 1 is provided in a mail sorting machine A similar to that shown in Patent Document 2 described above, for example. In the mail sorting machine A, for example, a one-way feeding unit (not shown) is installed on the upstream side of the transport device 1, and a mail sorting machine (not shown) is installed on the downstream side. Further, on the downstream side, a sorting / stacking unit (not shown) in which a plurality of stacking boxes for storing the sorted mail items is arranged.
　本実施形態による搬送装置１は、長手方向に延びる架台２上の上流側に搬送導入部３が設置され、その下流側に搬送本体部４が設置される。搬送導入部３及び搬送本体部４は、例えば直線状に設置されている。搬送導入部３と搬送本体部４には、荷物ｎを載置する底面ベルト６と荷物ｎの側部を受ける側面ベルト７とが備えられ、荷物ｎを支持して搬送することができる。なお、側面ベルト７の背面側には側面ベルト７の上下に延びていて側面ベルト７からはみ出す荷物ｎを支持する側壁８が設置されている。底面ベルト６と側面ベルト７は所定長さの複数のブロックに仕切られている。
　ここで、荷物ｎは、例えばＡ４サイズ等の薄肉や肉厚の封書等の紙葉類や、所定の厚みを有する小包や、封筒内に封入された商品サンプルや部品等のように一部のみ凸状に膨らむ厚みを有する封書等、を含んでいる。また、荷物ｎは腰のない紙葉類を含む。 In the transport apparatus 1 according to the present embodiment, the transport introduction unit 3 is installed on the upstream side of the gantry 2 extending in the longitudinal direction, and the transport main body unit 4 is installed on the downstream side thereof. The conveyance introduction part 3 and the conveyance main-body part 4 are installed in linear form, for example. The transport introduction section 3 and the transport main body section 4 are provided with a bottom belt 6 on which the luggage n is placed and a side belt 7 that receives a side part of the luggage n, so that the luggage n can be supported and transported. A side wall 8 is installed on the back side of the side belt 7 so as to support a load n that extends above and below the side belt 7 and protrudes from the side belt 7. The bottom belt 6 and the side belt 7 are partitioned into a plurality of blocks having a predetermined length.
Here, the package n is only a part, such as a paper sheet such as a thin or thick envelope of A4 size, a parcel having a predetermined thickness, a product sample or a part enclosed in an envelope, etc. It includes a letter with a thickness that bulges in a convex shape. Further, the luggage n includes a paper sheet having no waist.
　搬送導入部３と搬送本体部４において、底面ベルト６と側面ベルト７は複数のブロックに仕切られて直線状に延びている。底面ベルト６と側面ベルト７はブロック毎に仕切られているが、例えば同一の駆動源である駆動モータによってそれぞれ周回運動することで、１通ずつ搬送された荷物ｎを複数のブロック毎に順に受け渡して前方に搬送される。或いは、底面ベルト６と側面ベルト７は複数のブロックに区分けされることなく、送り方向に連続する長尺の底面ベルト６と側面ベルト７で構成されていてもよい。 In the transport introduction section 3 and the transport main body section 4, the bottom belt 6 and the side belt 7 are partitioned into a plurality of blocks and extend linearly. The bottom belt 6 and the side belt 7 are partitioned for each block. For example, by carrying out a revolving motion by a drive motor that is the same drive source, the package n conveyed one by one is sequentially delivered to each of the plurality of blocks. Then forwarded. Alternatively, the bottom belt 6 and the side belt 7 may be composed of a long bottom belt 6 and a side belt 7 that are continuous in the feed direction without being divided into a plurality of blocks.
　底面ベルト６は水平面に対して所定角度、例えば３０°傾斜して設置されている。側面ベルト７は底面ベルト６に対して直角に配設され、鉛直方向に対して外側に傾斜している。荷物ｎは一の端面が底面ベルト６に当接し、その側面が側面ベルト７に支えられる。荷物ｎは、底面ベルト６と側面ベルト７が同期した回転速度で搬送される。
　荷物ｎのうち、腰のない（または弱い）封書等の紙葉類は、搬送導入部３等の短い距離であれば搬送可能である。ただし、その前方の搬送本体部４等を含めると長距離搬送になるため、搬送が困難である。そのため、本実施形態による搬送装置１では、搬送本体部４の側面ベルト７に対向する位置に可動ローラユニット１０を設置している。 The bottom belt 6 is installed at a predetermined angle, for example, 30 ° with respect to the horizontal plane. The side belt 7 is disposed at a right angle to the bottom belt 6 and is inclined outward with respect to the vertical direction. One end surface of the load n is in contact with the bottom belt 6, and the side surface thereof is supported by the side belt 7. The load n is conveyed at a rotational speed at which the bottom belt 6 and the side belt 7 are synchronized.
Among the packages n, paper sheets such as a letter with no waist (or weak) can be transported at a short distance such as the transport introduction section 3. However, if the transport main body 4 or the like in front of it is included, the transport becomes long distance, so that transport is difficult. Therefore, in the transport device 1 according to the present embodiment, the movable roller unit 10 is installed at a position facing the side belt 7 of the transport main body 4.
　図２は、図１に示す搬送装置１の要部平面図である。図２に示すように、可動ローラユニット１０は複数の可動ローラ１１を有し、複数の可動ローラ１１が側面ベルト７の設置方向に配列されている。本実施形態では、３個の可動ローラ１１が１組の可動ローラユニット１０を構成する。可動ローラユニット１０は、例えば２組直列に設置されているが、可動ローラユニット１０は１組でも３組以上でもよい。各可動ローラ１１は回転可能であり、側面ベルト７との間に荷物ｎを挟んで底面ベルト６及び側面ベルト７と同期して回転することで、荷物ｎが搬送される。
　１組の可動ローラユニット１０を構成する可動ローラ１１の数は３個に限定されない。各可動ローラ１１は後述するようにその中心軸１８（図３、図４）回りに自転可能である。また、各可動ローラ１１は荷物ｎを挟持しない状態で、側面ベルト７に当接または近接して一列に配置される。各可動ローラ１１は、荷物ｎを側面ベルト７との間に挟むと変形可能であって側面ベルト７から後退する（離れる）ことができる。 FIG. 2 is a plan view of a main part of the transfer apparatus 1 shown in FIG. As shown in FIG. 2, the movable roller unit 10 has a plurality of movable rollers 11, and the plurality of movable rollers 11 are arranged in the installation direction of the side belt 7. In the present embodiment, the three movable rollers 11 constitute one set of the movable roller unit 10. For example, two sets of the movable roller unit 10 are installed in series, but the movable roller unit 10 may be one set or three or more sets. Each movable roller 11 is rotatable, and the load n is conveyed by rotating in synchronization with the bottom belt 6 and the side belt 7 with the load n sandwiched between the side belt 7.
The number of the movable rollers 11 constituting one set of the movable roller unit 10 is not limited to three. Each movable roller 11 can rotate about its central axis 18 (FIGS. 3 and 4) as will be described later. Further, the movable rollers 11 are arranged in a row in contact with or close to the side belt 7 in a state where the load n is not sandwiched. Each movable roller 11 can be deformed when the load n is sandwiched between the side belt 7 and can retreat (separate) from the side belt 7.
　図２に示すように、１組の可動ローラユニット１０を構成する３個の可動ローラ１１は、側面ベルト７に対向する位置に上下二段に設置されている。つまり、３個の可動ローラ１１は側面ベルト７の面に対して垂直方向に、側面ベルト７の面の異なる高さに配置される。図２の例によると、例えば上段に２個の可動ローラ１１が側面ベルト７に沿って所定の間隔を開けて設置され、その中間に下段に可動ローラ１１が設置されている。しかも、図２に示すように、３個の可動ローラ１１は平面視で互いに一部が重なるように配列されている。可動ローラ１１は上下に複数設置され、且つ、互いに一部重なるように搬送方向（所定方向）にずれて設置される。言い換えると、側面ベルト７に沿って配置された複数の可動ローラ１１の一部が重複するように、複数の可動ローラ１１のうち一部の可動ローラ１１が他の可動ローラ１１と異なる高さに設置される。
　上段に２個の可動ローラ１１を配列することで、高さのあるＡ４サイズの封書等を含む多くの荷物ｎを搬送可能である。また、上段の複数の可動ローラ１１が下段に可動ローラ１１を挟むことで、荷物ｎの下部を側面ベルト７と挟むことができる。特に上段の可動ローラ１１で腰のない荷物ｎの崩れや倒れを防止して確実に立位で搬送できる。下段の可動ローラ１１を上段の２個の可動ローラ１１の間に設置することで、小幅の荷物ｎが搬送されて上段の２個の可動ローラ１１の間に位置した際に押さえることができる。このように、可動ローラ１１による荷物ｎの押えと搬送とを連続して行うように、各可動ローラ１１が配置されている。 As shown in FIG. 2, the three movable rollers 11 constituting one set of the movable roller unit 10 are installed in two upper and lower stages at a position facing the side belt 7. That is, the three movable rollers 11 are arranged at different heights on the surface of the side belt 7 in a direction perpendicular to the surface of the side belt 7. According to the example of FIG. 2, for example, two movable rollers 11 are installed at a predetermined interval along the side belt 7 in the upper stage, and the movable roller 11 is installed in the lower stage in the middle. In addition, as shown in FIG. 2, the three movable rollers 11 are arranged so as to partially overlap each other in plan view. A plurality of the movable rollers 11 are installed on the top and bottom, and are shifted in the transport direction (predetermined direction) so as to partially overlap each other. In other words, a part of the plurality of movable rollers 11 has a height different from that of the other movable rollers 11 so that a part of the plurality of movable rollers 11 arranged along the side belt 7 overlaps. Installed.
By arranging the two movable rollers 11 on the upper stage, it is possible to transport a large number of packages n including A4 size sealed letters with a height. Further, the plurality of upper movable rollers 11 sandwich the movable roller 11 in the lower portion, so that the lower portion of the luggage n can be sandwiched between the side belt 7. In particular, the movable roller 11 on the upper stage prevents the load n with no waist from collapsing and falling, and can be reliably conveyed in a standing position. By installing the lower movable roller 11 between the two upper movable rollers 11, it is possible to hold the small load n when it is conveyed and positioned between the two upper movable rollers 11. In this way, each movable roller 11 is arranged so as to continuously hold and convey the load n by the movable roller 11.
　図１及び図２に示す可動ローラユニット１０は例えば上段に可動ローラ１１を２個配列し、その間に下段に１個の可動ローラ１１を配列した。このため、２つの可動ローラユニット１０の接続部で、上段の可動ローラ１１同士の間に隙間ができてしまう。この場合でも搬送の勢いによって、上流側の可動ローラユニット１０から下流側の可動ローラユニット１０に荷物ｎを搬送できる。
　或いは、下流側の可動ローラユニット１０について、荷物ｎの搬送方向両側に下段に２個の可動ローラ１１を配列し、その間で上段に１個の可動ローラ１１が設置されてもよい。各可動ローラ１１は平面視で互いに一部が重なるように配置される。このような構成を採用すれば、隣り合う２組の可動ローラユニット１０の間で、可動ローラ１１同士の隙間をより小さくすることができる。これにより、可動ローラ１１が荷物ｎに当接しない領域を小さくすることができる。
　紙葉類の封書等はＡ４等大型である。このため、可動ローラユニット１０における可動ローラ１１の上下二段の配列構成は、上段に２個の可動ローラ１１が設置され、下段に１個の可動ローラ１１が設置されている。小型の紙葉類等が多い場合には、下段に２個の可動ローラ１１が配置され、その間の上段に１個の可動ローラ１１が配置されてもよい。 In the movable roller unit 10 shown in FIGS. 1 and 2, for example, two movable rollers 11 are arranged on the upper stage, and one movable roller 11 is arranged on the lower stage therebetween. For this reason, a gap is formed between the upper movable rollers 11 at the connecting portion of the two movable roller units 10. Even in this case, the load n can be conveyed from the upstream movable roller unit 10 to the downstream movable roller unit 10 by the momentum of conveyance.
Alternatively, with respect to the movable roller unit 10 on the downstream side, two movable rollers 11 may be arranged on the lower stage on both sides in the conveyance direction of the luggage n, and one movable roller 11 may be installed on the upper stage therebetween. Each of the movable rollers 11 is disposed so as to partially overlap each other in plan view. If such a configuration is adopted, the gap between the movable rollers 11 can be further reduced between the two sets of adjacent movable roller units 10. Thereby, the area | region where the movable roller 11 does not contact | abut the load n can be made small.
The paper letter seal is large, such as A4. For this reason, in the movable roller unit 10, the upper and lower two-stage arrangement of the movable rollers 11 includes two movable rollers 11 on the upper stage and one movable roller 11 on the lower stage. When there are many small paper sheets or the like, two movable rollers 11 may be arranged on the lower stage, and one movable roller 11 may be arranged on the upper stage between them.
　次に可動ローラユニット１０の構成を図３乃至図８により説明する。図３乃至図６のそれぞれは、可動ローラユニット１０の平面図、正面図、底面図、斜視図を示す。図７は可動ローラユニット１０を図６のＡ方向から見た側面図であって、図８は可動ローラユニット１０を下方から見た斜視図である。
　各図に示すように、可動ローラユニット１０には、側面ベルト７の送り方向に沿って延びる基板１３が設置される。基板１３には各可動ローラ１１に回動軸１４が回動可能に支持されている。図６、図７に示すように、回動軸１４は基板１３に嵌合された支持筒１５に挿入されて回転可能に支持されている。図４、図８に示すように、回動軸１４の上部に回動可能なアーム部１６の一端部が連結されている。
　図４に示すように、アーム部１６の他端部には中心軸１８が回転可能に支持されており、この中心軸１８に可動ローラ１１が一体回転可能に連結されている。アーム部１６と回動軸１４とには図示しないばね部材が装着され、各可動ローラ１１が側面ベルト７に当接する方向に付勢されている。更に回動軸１４の内部には回転軸部１９が回転可能に挿入され、上下端部が突出して設置されている。図４に示すように、回転軸部１９の回動軸１４から突出する上端部に固定した第一プーリ１９ａと中心軸１８との間には第一回転伝達ベルト２０が装着されている。
　上述した構成が、可動ローラ１１毎に設置されている。 Next, the configuration of the movable roller unit 10 will be described with reference to FIGS. 3 to 6 are a plan view, a front view, a bottom view, and a perspective view of the movable roller unit 10, respectively. 7 is a side view of the movable roller unit 10 as viewed from the direction A in FIG. 6, and FIG. 8 is a perspective view of the movable roller unit 10 as viewed from below.
As shown in each drawing, the movable roller unit 10 is provided with a substrate 13 extending along the feeding direction of the side belt 7. A rotation shaft 14 is rotatably supported by the movable roller 11 on the substrate 13. As shown in FIGS. 6 and 7, the rotation shaft 14 is inserted into a support cylinder 15 fitted to the substrate 13 and is rotatably supported. As shown in FIGS. 4 and 8, one end of a rotatable arm portion 16 is connected to the upper portion of the rotation shaft 14.
As shown in FIG. 4, a central shaft 18 is rotatably supported on the other end of the arm portion 16, and the movable roller 11 is connected to the central shaft 18 so as to be integrally rotatable. A spring member (not shown) is mounted on the arm portion 16 and the rotating shaft 14, and each movable roller 11 is urged in a direction in which the movable roller 11 comes into contact with the side belt 7. Further, a rotary shaft portion 19 is rotatably inserted into the rotation shaft 14 and the upper and lower end portions are protruded. As shown in FIG. 4, a first rotation transmission belt 20 is mounted between the first pulley 19 a fixed to the upper end portion protruding from the rotation shaft 14 of the rotation shaft portion 19 and the center shaft 18.
The above-described configuration is installed for each movable roller 11.
　図５、図８に示すように、基板１３の裏面側には可動ローラ１１の駆動機構２２が設置されている。
　基板１３の近傍には駆動装置として駆動モータＭが設置されている。各図に示すように、基板１３の裏面には３本の回動軸１４を通して回転軸部１９の下端部が突出し、この下端部に固定した第二プーリ１９ｂが拡径して配置されている。駆動モータＭの出力軸と３本の回転軸部１９の第二プーリ１９ｂとに、無端状の第二回転伝達ベルト２３が、基板１３に支承された伝達ローラ２４を介して巻回されている。
　駆動モータＭの回転は第二回転伝達ベルト２３から各第二プーリ１９ｂを介して回転軸部１９に伝達される。これにより、その上端部の第一プーリ１９ａから第一回転伝達ベルト２０を介して中心軸１８に回転力が伝達され、中心軸１８を中心に可動ローラ１１をそれぞれ回転させる。各可動ローラ１１及び中心軸１８は回動軸１４を中心にアーム部１６を介して旋回可能とされ、アーム部１６のばね部材によって側面ベルト７に付勢されている。すなわち、可動ローラ１１は、アーム部１６を介して回動軸１４に回動可能に支持され、荷物ｎの搬送方向（所定方向）と交差する方向に移動可能である。 As shown in FIGS. 5 and 8, a drive mechanism 22 for the movable roller 11 is installed on the back side of the substrate 13.
A drive motor M is installed in the vicinity of the substrate 13 as a drive device. As shown in each figure, the lower end portion of the rotating shaft portion 19 protrudes from the back surface of the substrate 13 through the three rotating shafts 14, and a second pulley 19 b fixed to the lower end portion is arranged with an enlarged diameter. . An endless second rotation transmission belt 23 is wound around the output shaft of the drive motor M and the second pulley 19 b of the three rotation shaft portions 19 via a transmission roller 24 supported on the substrate 13. .
The rotation of the drive motor M is transmitted from the second rotation transmission belt 23 to the rotary shaft portion 19 via each second pulley 19b. As a result, the rotational force is transmitted from the first pulley 19 a at the upper end to the central shaft 18 via the first rotation transmission belt 20, and the movable rollers 11 are rotated about the central shaft 18. Each of the movable rollers 11 and the central shaft 18 can be turned around the rotation shaft 14 via the arm portion 16, and is urged against the side belt 7 by a spring member of the arm portion 16. That is, the movable roller 11 is rotatably supported by the rotation shaft 14 via the arm portion 16 and is movable in a direction intersecting with the conveyance direction (predetermined direction) of the luggage n.
　各中心軸１８の上端部に固定された可動ローラ１１は例えばスポンジやゴム等の柔らかい変形可能な弾性部材によって形成された略円板形状を有し、中心軸１８を中心に回転可能である。例えば、可動ローラ１１は、外周面に弾性部材を設ける。可動ローラ１１は中心軸１８を中心に周方向に所定間隔で略円弧状の切欠部が形成される。これにより、円形の外周面２６ａと外周面２６ａ及び中心軸１８の保持部を結ぶ円弧状のスポーク部２６ｂとを有している。
　スポーク部２６ｂは中心軸１８から外周面２６ａに向けて回転方向後方に湾曲して形成されている。スポーク部２６ｂは、中心側から外周面に向けて延びる。可動ローラ１１は、弾性変形力を有するスポンジ製等で且つ切欠部を有しており、しかもばね部材の付勢力が小さい。このため、可動ローラ１１による荷物ｎの押え圧が小さく設定される。そのため、側面ベルト７と可動ローラ１１で挟まれる荷物ｎにダメージが生じない。 The movable roller 11 fixed to the upper end portion of each central shaft 18 has a substantially disk shape formed of a soft deformable elastic member such as sponge or rubber, and can rotate around the central shaft 18. For example, the movable roller 11 is provided with an elastic member on the outer peripheral surface. The movable roller 11 is formed with substantially arc-shaped notches at predetermined intervals in the circumferential direction around the central axis 18. Thereby, it has the circular outer peripheral surface 26a and the arc-shaped spoke part 26b which connects the holding | maintenance part of the outer peripheral surface 26a and the center axis | shaft 18. FIG.
The spoke portion 26b is formed to be curved backward in the rotational direction from the central axis 18 toward the outer peripheral surface 26a. The spoke part 26b extends from the center side toward the outer peripheral surface. The movable roller 11 is made of a sponge having an elastic deformation force and has a notch, and the biasing force of the spring member is small. For this reason, the pressing pressure of the load n by the movable roller 11 is set small. Therefore, no damage is caused to the load n sandwiched between the side belt 7 and the movable roller 11.
　側面ベルト７と可動ローラ１１とで荷物ｎを挟んだ場合を説明する。この場合、荷物ｎの厚みが小さい時には、回転する可動ローラ１１の外周面２６ａ及びスポーク部２６ｂが弾性変形して、荷物ｎを保持しながら前方に搬送する。また、この場合、荷物ｎの厚みが比較的大きい時には、可動ローラ１１が弾性変形すると共に可動ローラ１１を支持するアーム部１６自体がばね部材の付勢力に抗して側面ベルト７から離間する（離れる）方向に回動する。そのため、荷物ｎを損傷することなく側面ベルト７と可動ローラ１１とで挟持して前方に搬送することができる。このように、可動ローラ１１は、上下に複数設置され、側面ベルト７に対して個別に、少なくとも変形または移動可能である。また、可動ローラ１１は、アーム部１６を介して回動軸に回動可能に支持され、側面ベルト７から離れる方向に移動可能である。 The case where the load n is sandwiched between the side belt 7 and the movable roller 11 will be described. In this case, when the thickness of the load n is small, the outer peripheral surface 26a and the spoke portion 26b of the rotating movable roller 11 are elastically deformed and conveyed forward while holding the load n. In this case, when the thickness of the load n is relatively large, the movable roller 11 is elastically deformed and the arm portion 16 itself supporting the movable roller 11 is separated from the side belt 7 against the urging force of the spring member ( Rotate in the direction of leaving. Therefore, the bag n can be transported forward by being sandwiched between the side belt 7 and the movable roller 11 without being damaged. As described above, a plurality of the movable rollers 11 are installed in the vertical direction, and can be at least deformed or moved individually with respect to the side belt 7. The movable roller 11 is rotatably supported by a rotation shaft via the arm portion 16 and can move in a direction away from the side belt 7.
　可動ローラ１１は側面ベルト７との間で荷物ｎの厚みよりも数倍以上大きい外径を有することが好ましい。可動ローラ１１の外径が荷物ｎの幅と同程度から２倍程度である場合、側面ベルト７に対する可動ローラ１１の入口角度が大きい。このため荷物ｎが衝突したときの衝撃が大きく搬送速度が低下する等して、荷物ｎを側面ベルト７との間にうまく挟み込めない。
　一方、可動ローラ１１の外径が荷物ｎの３～４倍以上に大きい場合、側面ベルト７に対する可動ローラ１１の入り口角度が小さくなる。このため、荷物ｎが可動ローラ１１を変形させつつ徐々に押し広げて側面ベルト７との間に入り込む。これにより、荷物ｎの衝突による衝撃を抑えて搬送速度の低下を抑制できる。 The movable roller 11 preferably has an outer diameter that is several times greater than the thickness of the load n with the side belt 7. When the outer diameter of the movable roller 11 is about the same as or twice the width of the load n, the entrance angle of the movable roller 11 with respect to the side belt 7 is large. For this reason, the impact when the load n collides is so great that the transport speed is lowered, and the load n cannot be sandwiched between the side belt 7 well.
On the other hand, when the outer diameter of the movable roller 11 is 3 to 4 times larger than the load n, the entrance angle of the movable roller 11 with respect to the side belt 7 becomes small. For this reason, the load n gradually spreads while deforming the movable roller 11 and enters between the side belt 7. Thereby, the impact by the collision of the luggage | load n can be suppressed and the fall of a conveyance speed can be suppressed.
　本実施形態による搬送装置１は上述した構成を備える。次に荷物ｎの搬送方法について図１及び図９Ａ乃至図９Ｃを中心に説明する。図９Ａ乃至図９Ｃは、本実施形態の搬送装置１における荷物ｎの搬送工程の流れを示す要部平面図である。
　図９Ａは、荷物ｎが可動ローラユニット１０に供給される前の状態を示す図である。図示しない一通送り部で吸着された封書等の紙葉類や小包等の荷物ｎが、搬送装置１の搬送導入部３に送られる。図９Ａに示す搬送導入部３では、荷物ｎは底面ベルト６に載置されて側面ベルト７で支持されながら底面ベルト６及び側面ベルト７と同速度で移動する。搬送導入部３は短い距離である。このため、荷物ｎが腰のない紙葉類であっても倒れることなく底面ベルト６及び側面ベルト７で搬送されて搬送本体部４に送り出される。 The transport apparatus 1 according to the present embodiment has the above-described configuration. Next, a method for transporting the luggage n will be described with reference to FIGS. 1 and 9A to 9C. FIG. 9A to FIG. 9C are main part plan views showing the flow of the load n transfer process in the transfer apparatus 1 of the present embodiment.
FIG. 9A is a diagram illustrating a state before the load n is supplied to the movable roller unit 10. Paper sheets such as sealed letters and parcels n such as parcels adsorbed by a single feeding unit (not shown) are sent to the conveyance introducing unit 3 of the conveyance device 1. 9A, the load n moves on the bottom belt 6 while being supported by the side belt 7 at the same speed as the bottom belt 6 and the side belt 7. The conveyance introduction part 3 is a short distance. For this reason, even if the baggage n is a paper sheet with no waist, it is conveyed by the bottom belt 6 and the side belt 7 without falling down and sent out to the conveyance main body 4.
　荷物ｎが搬送導入部３から搬送本体部４に送られると、荷物ｎは、側面ベルト７と可動ローラユニット１０の上段の可動ローラ１１との間の小さい入口角度で、側面ベルト７と上段の可動ローラ１１とに挟まれる。荷物ｎは可動ローラ１１の外周面２６ａを押圧してスポーク部２６ｂと共に外周面２６ａを圧縮変形させながら、側面ベルト７と可動ローラ１１との間の入口角度を徐々に押し広げて前進する。
　図９Ｂは、荷物ｎが可動ローラに供給され始めた状態を示す図である。荷物ｎが厚みを有する場合には、図９Ｂに示すように、可動ローラ１１が荷物ｎで押される。これにより、アーム部１６に設けたばね部材の付勢力に抗して可動ローラ１１が回動軸１４回りに回動させられて側面ベルト７から離間する方向に回動する。可動ローラ１１は荷物ｎの厚みに応じて、外周面２６ａ及びスポーク部２６ｂが弾性変形した状態で押され、アーム部１６に設けたばね部材の弾性復帰力により荷物ｎに当接した状態を維持しつつ回転し、荷物ｎを前方に搬送する。 When the load n is sent from the transfer introduction unit 3 to the transfer body 4, the load n is a small entrance angle between the side belt 7 and the upper movable roller 11 of the movable roller unit 10, and the upper and lower side belts 7 and 10. It is sandwiched between the movable roller 11. The load n moves forward while gradually pushing the inlet angle between the side belt 7 and the movable roller 11 while pressing the outer peripheral surface 26a of the movable roller 11 to compress and deform the outer peripheral surface 26a together with the spoke portion 26b.
FIG. 9B is a diagram illustrating a state in which the luggage n starts to be supplied to the movable roller. When the load n has a thickness, the movable roller 11 is pushed by the load n as shown in FIG. 9B. As a result, the movable roller 11 is rotated about the rotation shaft 14 against the urging force of the spring member provided on the arm portion 16 and is rotated in a direction away from the side belt 7. The movable roller 11 is pushed in a state where the outer peripheral surface 26a and the spoke portion 26b are elastically deformed according to the thickness of the load n, and maintains a state in which the movable roller 11 is in contact with the load n by the elastic return force of the spring member provided on the arm portion 16. It rotates while carrying the load n forward.
　荷物ｎは側面ベルト７と可動ローラ１１とで挟み込まれ、可動ローラ１１は底面ベルト６及び側面ベルト７と同期した速度で回転する。可動ローラ１１はスポンジ等の柔らかい材質を有するため、荷物ｎを押圧しても押え圧が低く、荷物ｎを損傷させない状態で搬送させる。
　図９Ｃは、側面ベルト７と可動ローラ１１とによって荷物ｎを搬送している状態を示す図である。図９Ｃに示すように荷物ｎの搬送に伴って、各可動ローラ１１は外周面２６ａ及びスポーク部２６ｂが次々に弾性変形され、回動軸１４回りに回動する。荷物ｎの通過後には可動ローラ１１はもとの形状に弾性復帰し、アーム部１６のばね部材の付勢力によって側面ベルト７に当接させられる。なお、荷物ｎの厚みが薄い場合には可動ローラ１１はスポンジの外周面２６ａ及びスポーク部２６ｂが弾性変形することのみで対応する。また、外周面２６ａ及びスポーク部２６ｂが弾性変形することなく、荷物ｎで押された可動ローラ１１が回動軸１４回りに逃げる方向に後退することも可能である。このように、可動ローラ１１は、外周面２６ａ及びスポーク部２６ｂが弾性変形するだけでもよく、または、側面ベルト７から離れる方向に移動するだけでもよい。 The load n is sandwiched between the side belt 7 and the movable roller 11, and the movable roller 11 rotates at a speed synchronized with the bottom belt 6 and the side belt 7. Since the movable roller 11 is made of a soft material such as sponge, the pressing pressure is low even when the load n is pressed, and the load n is conveyed without damaging the load n.
FIG. 9C is a diagram illustrating a state in which the luggage n is being conveyed by the side belt 7 and the movable roller 11. As shown in FIG. 9C, the outer peripheral surface 26 a and the spoke portion 26 b of the movable rollers 11 are elastically deformed one after another as the load n is conveyed, and rotate around the rotation shaft 14. After passing the load n, the movable roller 11 returns to its original shape and is brought into contact with the side belt 7 by the urging force of the spring member of the arm portion 16. In addition, when the thickness of the load n is small, the movable roller 11 can cope only with elastic deformation of the outer peripheral surface 26a and the spoke portion 26b of the sponge. Further, the movable roller 11 pushed by the load n can be retracted in the direction of escaping around the rotation shaft 14 without elastically deforming the outer peripheral surface 26a and the spoke portion 26b. As described above, the movable roller 11 may only be elastically deformed by the outer peripheral surface 26a and the spoke portion 26b, or may only move in a direction away from the side belt 7.
　荷物ｎが腰のない封書や小包であっても、側面ベルト７と可動ローラ１１との間の入口角度によると、荷物ｎの上部が上段の可動ローラ１１で側面ベルト７に押さえられて前方に搬送され、次に下段に設けた可動ローラ１１で下部を押えられる。荷物ｎが下段の可動ローラ１１に移行した際、腰のない荷物ｎの上部が倒れそうになった場合でも、荷物ｎは倒れる前に次の上段の可動ローラ１１で押さえつけられる。このため、荷物ｎの倒れを防止できる。
　また、荷物ｎが前側の可動ローラユニット１０から後側の可動ローラユニット１０に受け渡される際にも、荷物ｎは同期した移動速度で搬送される。このため、荷物ｎが倒れる前に、次の可動ローラユニット１０の上段の可動ローラ１１によって荷物ｎの上部を押えることができる。これにより、受け渡しを完了させ、荷物ｎの倒れを防止できる。 Even if the baggage n is a non-waisted letter or package, according to the entrance angle between the side belt 7 and the movable roller 11, the upper part of the baggage n is pressed by the side belt 7 by the upper movable roller 11 and moved forward. Then, the lower part is pressed by the movable roller 11 provided in the lower stage. When the load n moves to the lower movable roller 11, even if the upper portion of the lower load n is about to fall down, the load n is pressed by the next upper movable roller 11 before falling down. For this reason, the fall of the luggage n can be prevented.
Also, when the load n is delivered from the front movable roller unit 10 to the rear movable roller unit 10, the load n is transported at a synchronized moving speed. For this reason, before the load n falls down, the upper part of the load n can be pressed by the upper movable roller 11 of the next movable roller unit 10. Thereby, delivery can be completed and the fall of the load n can be prevented.
　また、荷物ｎが一部にのみ商品サンプル等を収納した封書等である場合を例示する。この場合、荷物ｎが側面ベルト７と可動ローラユニット１０との間に挿入されると、荷物ｎの上部の封書部分は上段の可動ローラ１１で側面ベルト７に押し付けられて搬送される。荷物ｎの下部の凸部は、下段の可動ローラ１１を押して回動軸１４回りに後退させて、弾性変形した外周面２６ａ及びスポーク部２６ｂで押圧される。そして、荷物ｎは次の上段の可動ローラ１１に受け渡される。
　荷物ｎの通過後は、下段の可動ローラ１１はばね部材の付勢力で側面ベルト７に当接する位置に復帰し、外周面２６ａ及びスポーク部２６ｂも元の形状に弾性復帰する。
　そのため、腰のない紙葉類や小包等の荷物ｎであっても一部だけ凸部をなすように膨らむ厚さの不均一な荷物ｎであっても、形状に応じて順次複数の可動ローラ１１で押圧されることで確実に搬送できる。 In addition, a case where the package n is a sealed letter or the like containing a product sample or the like only in part is illustrated. In this case, when the load n is inserted between the side belt 7 and the movable roller unit 10, the sealed portion at the top of the load n is pressed against the side belt 7 by the upper movable roller 11 and conveyed. The lower convex portion of the load n is pressed by the elastically deformed outer peripheral surface 26a and the spoke portion 26b by pushing the lower movable roller 11 and retracting it around the rotation shaft 14. Then, the luggage n is delivered to the next upper movable roller 11.
After the load n passes, the lower movable roller 11 returns to the position where it abuts against the side belt 7 by the biasing force of the spring member, and the outer peripheral surface 26a and the spoke portion 26b also elastically return to their original shapes.
Therefore, even if it is a load n such as a paper sheet or a parcel with no waist, even if it is a non-uniform thickness n that bulges so as to form a convex part, a plurality of movable rollers are sequentially arranged according to the shape. 11 can be reliably conveyed by being pressed.
　上述のように本実施形態による搬送装置１によれば、腰のない荷物ｎや厚さの不均一な荷物ｎであっても、スポンジ等の柔らかい材質で押え圧が低く設定された進退可能な可動ローラ１１によって、荷物ｎにダメージを与えることなく立位状態で確実に搬送できる。 As described above, according to the transport device 1 according to the present embodiment, even a baggage n having no waist or a baggage n with a non-uniform thickness can be moved forward and backward with a soft material such as a sponge and a low presser pressure. The movable roller 11 can reliably convey the baggage n in a standing position without damaging it.
　なお、上述の実施形態による搬送装置１に限定されることはない。上述の実施形態の要旨を逸脱しない範囲で適宜の変更や置換等が可能であり、これらはいずれも実施形態に含まれる。以下に、他の実施形態や変形例等に用いた部品、部材と同一または同様な部品、部材には同一の符号を用いてその変形例を説明する。 In addition, it is not limited to the conveying apparatus 1 by the above-mentioned embodiment. Appropriate changes, substitutions, and the like can be made without departing from the spirit of the above-described embodiment, and these are all included in the embodiment. In the following, a modification will be described using the same reference numerals for parts and members that are the same as or similar to parts and members used in other embodiments and modifications.
　例えば、一実施形態の最小構成を示す搬送装置１は図１０に開示したものである。
　即ち、一実施形態の搬送装置１は、被搬送物である荷物ｎの第一面に当接して所定方向に案内する底面ベルト６を含む第一案内部材と、荷物ｎの第二面に当接して所定方向に案内する側面ベルト７を含む第二案内部材とを備えた。例えば、底面ベルト６は荷物ｎの底面に当接し、側面ベルト７は荷物ｎの側面に当接する。また、一実施形態の搬送装置１は、側面ベルト７との間に荷物ｎを挟んで所定方向に案内すると共に荷物ｎの厚さに応じて側面ベルト７から離れる方向に、少なくとも変形可能または移動可能である可動ローラ１１を含む押えローラとを最小構成として備えたことを特徴とする。 For example, the conveyance device 1 showing the minimum configuration of one embodiment is the one disclosed in FIG.
In other words, the transport device 1 according to the embodiment is in contact with the first guide member including the bottom belt 6 that abuts the first surface of the cargo n that is the object to be transported and guides it in a predetermined direction, and the second surface of the cargo n. And a second guide member including a side belt 7 that contacts and guides in a predetermined direction. For example, the bottom belt 6 contacts the bottom surface of the luggage n, and the side belt 7 contacts the side surface of the luggage n. Further, the conveying device 1 according to an embodiment guides in a predetermined direction with the load n sandwiched between the side belt 7 and at least can be deformed or moved in a direction away from the side belt 7 depending on the thickness of the load n. The presser roller including the movable roller 11 which is possible is provided as a minimum configuration.
　また、上述した実施形態では、搬送装置１として底面ベルト６及び側面ベルト７に、可動ローラ１１を備えた可動ローラユニット１０を設けた搬送本体部４の上流側に、可動ローラユニット１０を設けない搬送導入部３を備えた構成について説明した。ただし、搬送導入部３は設置されなくてもよい。少なくとも搬送装置１は、底面ベルト６及び側面ベルト７に加えて、側面ベルト７に対向する位置に側面ベルト７に沿って１または複数の可動ローラ１１を配列した搬送本体部４が設置されていればよい。
　搬送本体部４において、任意の複数組の可動ローラユニット１０が側面ベルト７に対向配置されてもよい。 In the above-described embodiment, the movable roller unit 10 is not provided on the upstream side of the conveyance main body 4 in which the movable roller unit 10 including the movable roller 11 is provided on the bottom belt 6 and the side belt 7 as the conveyance device 1. The configuration provided with the transport introduction unit 3 has been described. However, the conveyance introduction part 3 does not need to be installed. At least the conveying device 1 is provided with a conveying main body 4 in which one or a plurality of movable rollers 11 are arranged along the side belt 7 at a position facing the side belt 7 in addition to the bottom belt 6 and the side belt 7. That's fine.
In the transport main body 4, an arbitrary plurality of sets of movable roller units 10 may be arranged to face the side belt 7.
　第一搬送部材と第二搬送部材は実施形態に示す無端状の周回ベルトに限定されることなく、搬送方向に配列された複数の回転ローラやバー部材、或いは前後動可能な板状部材等でもよい。
　また、上述した実施形態では、可動ローラ１１全体をスポンジやゴム等の弾性部材で形成したが、可動ローラ１１はこのような構成に限定されない。例えば、可動ローラ１１の少なくとも荷物ｎに当接する外周面２６ａが弾性変形可能な弾性部材で形成されていればよい。可動ローラ１１は必ずしも駆動モータＭによる回転を必要とせず、回転可能に荷物ｎに押圧されていればよい。 The first conveying member and the second conveying member are not limited to the endless circular belt shown in the embodiment, but may be a plurality of rotating rollers and bar members arranged in the conveying direction, or a plate member that can move back and forth. Good.
In the above-described embodiment, the entire movable roller 11 is formed of an elastic member such as sponge or rubber, but the movable roller 11 is not limited to such a configuration. For example, it is only necessary that the outer peripheral surface 26a that contacts at least the load n of the movable roller 11 is formed of an elastic member that can be elastically deformed. The movable roller 11 does not necessarily need to be rotated by the drive motor M, and may be pressed against the load n so as to be rotatable.
　別の実施形態として、上述した実施形態による搬送装置１の搬送本体部４が直列に複数組設置され、下流側の搬送本体部４は荷物ｎの搬送方向に交差する方向に移動可能である。この場合、搬送される荷物ｎを区分集積部の複数の集積箱のいずれか等に振り分ける振り分け装置が備えられる。
　また、別の実施形態として、仕分け装置が提案される。仕分け装置は、上述した実施形態による搬送装置１の搬送本体部４へ荷物ｎを一通ずつ送り込む一通送り部である上流側搬送装置と、上流側搬送装置から搬送装置１に送り出された荷物ｎをその下流側に搬送して振り分ける複数の集積箱を備えた区分集積部としての振り分け装置と、を備える。 As another embodiment, a plurality of transport main body portions 4 of the transport device 1 according to the above-described embodiment are installed in series, and the downstream transport main body portion 4 is movable in a direction crossing the transport direction of the luggage n. In this case, a sorting device is provided that sorts the transported luggage n into any of a plurality of stacking boxes of the sorting stacking unit.
Moreover, a sorting apparatus is proposed as another embodiment. The sorting device includes an upstream transport device that is a one-way feeding unit that feeds the package n one by one to the transport main body 4 of the transport device 1 according to the above-described embodiment, and the package n that is sent from the upstream transport device to the transport device 1. A sorting device serving as a sorting and stacking unit including a plurality of stacking boxes that are transported and sorted downstream.
　上記の実施形態の一部又は全部は、以下の付記のようにも記載されうるが、以下には限られない。
（付記１）
　被搬送物の第一面に当接して所定方向に案内する第一案内部材と、
　前記被搬送物の第二面に当接して前記所定方向に案内する第二案内部材と、
　前記第二案内部材との間に前記被搬送物を挟んで前記所定方向に案内すると共に、前記被搬送物の厚さに応じて前記第二案内部材から離れる方向に、少なくとも変形可能または移動可能である押えローラと、
を備えたことを特徴とする搬送装置。 A part or all of the above-described embodiment can be described as in the following supplementary notes, but is not limited thereto.
(Appendix 1)
A first guide member that contacts the first surface of the object to be conveyed and guides it in a predetermined direction;
A second guide member that contacts the second surface of the object to be conveyed and guides it in the predetermined direction;
The object to be conveyed is guided in the predetermined direction with the object to be conveyed between the second guide member and at least deformable or movable in a direction away from the second guide member according to the thickness of the object to be conveyed. A presser roller,
A conveying apparatus comprising:
（付記２）
　前記押えローラを回転させる駆動装置を設けた付記１に記載された搬送装置。 (Appendix 2)
The conveying apparatus described in the additional statement 1 which provided the drive device which rotates the said pressing roller.
（付記３）
　前記押えローラは外周面に弾性部材を設ける付記１または２に記載された搬送装置。 (Appendix 3)
The conveyance device according to attachment 1 or 2, wherein the pressing roller is provided with an elastic member on an outer peripheral surface.
（付記４）
　前記押えローラは中心側から前記外周面に向けて延びるスポーク部を有している付記３に記載された搬送装置。 (Appendix 4)
The conveying device according to appendix 3, wherein the pressing roller has a spoke portion extending from a center side toward the outer peripheral surface.
（付記５）
　前記押えローラはアーム部を介して回動軸に回動可能に支持され、前記所定方向と交差する方向に移動可能とした付記１から４のいずれか１項に記載された搬送装置。 (Appendix 5)
The conveying device according to any one of appendices 1 to 4, wherein the pressing roller is rotatably supported on a rotating shaft via an arm portion, and is movable in a direction crossing the predetermined direction.
（付記６）
　前記押えローラは上下に複数設置され、且つ、互いに一部重なるように前記所定方向にずれて設置されている付記１から５のいずれか１項に記載された搬送装置。 (Appendix 6)
The conveying device according to any one of appendices 1 to 5, wherein a plurality of the pressing rollers are installed vertically and are shifted in the predetermined direction so as to partially overlap each other.
（付記７）
　前記押えローラは上下に複数設置され、前記第二案内部材に対して個別に、少なくとも変形可能または移動可能である付記１から６のいずれか１項に記載された搬送装置。 (Appendix 7)
The conveying device according to any one of supplementary notes 1 to 6, wherein a plurality of the pressing rollers are provided at the top and bottom, and are individually deformable or movable at least individually with respect to the second guide member.
（付記８）
　前記第二案内部材は鉛直方向に対して傾斜して配置された付記１から７のいずれか1項に記載された搬送装置。 (Appendix 8)
8. The transport apparatus according to any one of appendices 1 to 7, wherein the second guide member is disposed to be inclined with respect to a vertical direction.
（付記９）
　前記押えローラは前記第一案内部材及び第二案内部材と同期して回転する付記１から８のいずれか１項に記載された搬送装置。 (Appendix 9)
The conveying device according to any one of appendices 1 to 8, wherein the pressing roller rotates in synchronization with the first guide member and the second guide member.
（付記１０）
　付記１から９のいずれか１項に記載された搬送装置は直列に複数設置され、下流側の前記搬送装置は被搬送物の搬送方向に交差する方向に移動可能とされたことを特徴とする振り分け装置。 (Appendix 10)
A plurality of transfer apparatuses described in any one of appendices 1 to 9 are installed in series, and the downstream transfer apparatus is movable in a direction intersecting the transfer direction of the object to be transferred. Sorting device.
（付記１１）
　付記１から９のいずれか１項に記載された前記搬送装置へ被搬送物を送り込む上流側搬送装置と、
　前記搬送装置から送り出された被搬送物を振り分ける振り分け装置と、を備えたことを特徴とする仕分け装置。 (Appendix 11)
An upstream side conveyance device that feeds an object to be conveyed to the conveyance device according to any one of appendices 1 to 9,
A sorting apparatus comprising: a sorting device that sorts an object to be transported sent from the transport device.
（付記１２）
　被搬送物の第一面に当接して所定方向に案内する第一案内部材と、前記被搬送物の第二面に当接して前記所定方向に案内する第二案内部材とを備えた搬送装置の搬送方法において、
　前記第二案内部材と押えローラとによって前記被搬送物を挟んで前記所定方向に案内すると共に、前記被搬送物の厚さに応じて、少なくとも前記押えローラを弾性変形させ、または前記押えローラを前記第二案内部材から離れる方向に移動させることによって、前記被搬送物を搬送するようにしたことを特徴とする搬送装置の搬送方法。 (Appendix 12)
A transport apparatus comprising: a first guide member that contacts a first surface of the object to be conveyed and guides in a predetermined direction; and a second guide member that contacts the second surface of the object to be transported and guides in the predetermined direction. In the transport method of
The second guide member and a pressing roller guide the object to be conveyed in the predetermined direction, and at least the pressing roller is elastically deformed according to the thickness of the object to be conveyed, or the pressing roller is A transport method for a transport apparatus, wherein the transport object is transported by moving in a direction away from the second guide member.
　この出願は、２０１７年３月９日に日本出願された特願２０１７－０４４８３１号を基礎とする優先権を主張し、その開示の全てをここに取り込む。 This application claims priority based on Japanese Patent Application No. 2017-044831 filed in Japan on March 9, 2017, the entire disclosure of which is incorporated herein.
　本発明によれば、被搬送物の厚さに応じて第二案内部材に対して押えローラが進退する方向に、少なくとも変形可能または移動可能であるため、被搬送物にダメージを与えることなく確実に保持して搬送できる。しかも、被搬送物の厚さが不均一であったり腰がない場合でも押えローラの変形や移動によって確実に把持して搬送できる。 According to the present invention, it is possible to deform or move at least in the direction in which the presser roller advances and retreats with respect to the second guide member according to the thickness of the object to be conveyed. Can be held and transported. In addition, even when the thickness of the object to be conveyed is not uniform or has no waist, the object can be reliably grasped and conveyed by deformation or movement of the presser roller.
１　搬送装置
３　搬送導入部
４　搬送本体部
６　底面ベルト
７　側面ベルト
１０　可動ローラユニット
１１　可動ローラ
１４　回動軸
１６　アーム部
１８　中心軸
２０　第一回転伝達ベルト
２３　第二回転伝達ベルト
２６ａ　外周面
２６ｂ　スポーク部
Ｍ　駆動モータ DESCRIPTION OF SYMBOLS 1 Conveyance apparatus 3 Conveyance introduction part 4 Conveyance main-body part 6 Bottom belt 7 Side belt 10 Movable roller unit 11 Movable roller 14 Rotating shaft 16 Arm part 18 Central axis 20 First rotation transmission belt 23 Second rotation transmission belt 26a Outer peripheral surface 26b Spoke part M Drive motor

Claims (12)

  1. 　被搬送物の第一面に当接して所定方向に案内する第一案内部材と、
    　前記被搬送物の第二面に当接して前記所定方向に案内する第二案内部材と、
    　前記第二案内部材との間に前記被搬送物を挟んで前記所定方向に案内すると共に、前記被搬送物の厚さに応じて前記第二案内部材から離れる方向に、少なくとも変形可能または移動可能である押えローラと、
    を備えたことを特徴とする搬送装置。     A first guide member that contacts the first surface of the object to be conveyed and guides it in a predetermined direction;
    A second guide member that contacts the second surface of the object to be conveyed and guides it in the predetermined direction;
    The object to be conveyed is guided in the predetermined direction with the object to be conveyed between the second guide member and at least deformable or movable in a direction away from the second guide member according to the thickness of the object to be conveyed. A presser roller,
    A conveying apparatus comprising:
  2. 　前記押えローラを回転させる駆動装置を設けた請求項１に記載された搬送装置。 The conveying device according to claim 1, further comprising a driving device that rotates the presser roller.
  3. 　前記押えローラは外周面に弾性部材を設ける請求項１または２に記載された搬送装置。 The conveying device according to claim 1 or 2, wherein the pressing roller is provided with an elastic member on an outer peripheral surface.
  4. 　前記押えローラは中心側から前記外周面に向けて延びるスポーク部を有している請求項３に記載された搬送装置。 The conveying device according to claim 3, wherein the pressing roller has a spoke portion extending from a center side toward the outer peripheral surface.
  5. 　前記押えローラはアーム部を介して回動軸に回動可能に支持され、前記所定方向と交差する方向に移動可能とした請求項１から４のいずれか１項に記載された搬送装置。 The conveying device according to any one of claims 1 to 4, wherein the pressing roller is rotatably supported by a rotating shaft via an arm portion, and is movable in a direction intersecting the predetermined direction.
  6. 　前記押えローラは上下に複数設置され、且つ、互いに一部重なるように前記所定方向にずれて設置されている請求項１から５のいずれか１項に記載された搬送装置。 The conveying device according to any one of claims 1 to 5, wherein a plurality of the pressing rollers are installed vertically and are shifted in the predetermined direction so as to partially overlap each other.
  7. 　前記押えローラは上下に複数設置され、前記第二案内部材に対して個別に、少なくとも変形可能または移動可能である請求項１から６のいずれか１項に記載された搬送装置。 The conveying device according to any one of claims 1 to 6, wherein a plurality of the pressing rollers are provided vertically and are at least deformable or movable individually with respect to the second guide member.
  8. 　前記第二案内部材は鉛直方向に対して傾斜して配置された請求項１から７のいずれか1項に記載された搬送装置。 The transfer device according to any one of claims 1 to 7, wherein the second guide member is disposed to be inclined with respect to a vertical direction.
  9. 　前記押えローラは前記第一案内部材及び第二案内部材と同期して回転する請求項１から８のいずれか１項に記載された搬送装置。 The conveying device according to any one of claims 1 to 8, wherein the pressing roller rotates in synchronization with the first guide member and the second guide member.
  10. 　請求項１から９のいずれか１項に記載された搬送装置は直列に複数設置され、下流側の前記搬送装置は被搬送物の搬送方向に交差する方向に移動可能とされたことを特徴とする振り分け装置。 A plurality of conveying devices according to any one of claims 1 to 9, wherein a plurality of conveying devices are installed in series, and the conveying device on the downstream side is movable in a direction intersecting with a conveying direction of an object to be conveyed. Sorting device to do.
  11. 　請求項１から９のいずれか１項に記載された前記搬送装置へ被搬送物を送り込む上流側搬送装置と、
    　前記搬送装置から送り出された被搬送物を振り分ける振り分け装置と、を備えたことを特徴とする仕分け装置。     An upstream conveying device that feeds an object to be conveyed to the conveying device according to any one of claims 1 to 9,
    A sorting apparatus comprising: a sorting device that sorts an object to be transported sent from the transport device.
  12. 　被搬送物の第一面に当接して所定方向に案内する第一案内部材と、前記被搬送物の第二面に当接して前記所定方向に案内する第二案内部材とを備えた搬送装置の搬送方法において、
    　前記第二案内部材と押えローラとによって前記被搬送物を挟んで前記所定方向に案内すると共に、前記被搬送物の厚さに応じて、少なくとも前記押えローラを弾性変形させ、または前記押えローラを前記第二案内部材から離れる方向に移動させることによって、前記被搬送物を搬送するようにしたことを特徴とする搬送装置の搬送方法。     A transport apparatus comprising: a first guide member that contacts a first surface of the object to be conveyed and guides in a predetermined direction; and a second guide member that contacts the second surface of the object to be transported and guides in the predetermined direction. In the transport method of
    The second guide member and a pressing roller guide the object to be conveyed in the predetermined direction, and at least the pressing roller is elastically deformed according to the thickness of the object to be conveyed, or the pressing roller is A transport method for a transport apparatus, wherein the transport object is transported by moving in a direction away from the second guide member.
PCT/JP2018/004222 2017-03-09 2018-02-07 Conveyance device, conveyance method applied therein, distribution device, and sorting device WO2018163697A1 (en)

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JP2017-044831 2017-03-09
JP2017044831A JP6989100B2 (en) 2017-03-09 2017-03-09 Transport device, sorting device, sorting device

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